Portfolios of the Poor
Daryl Collins & Jonathan Morduch & Stuart Rutherford & Orlanda Ruthven
No bullshit guide to linear algebra
Ivan Savov
Nicholas of Cusa's on Learned Ignorance: A Commentary on De ...
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Propaganda
Edward Bernays
Spinors and Space-Time: Volume 2, Spinor and Twistor Methods ...
Roger Penrose & Wolfgang Rindler
Cambridge Monographs on Mathematical Physics (1)